Tube-number record
446
0 archive entries
446 is a tube type in the TubeDatabase archive (class: UHF Lighthouse Triode). Recorded specifications: construction Triode, socket Planar / disc seal, maximum plate voltage 500 V, and maximum plate dissipation 5 W. The archive does not yet hold a photographed example of this type.
ClassUHF Lighthouse Triode
BasePlanar / disc seal
Filament6.3 V @ 750 mA
Construction
Primary TypeTriode
EnvelopeGlass-Metal
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage500 V
Plate Dissipation5 W
Cathode Current20 mA
Audio Performance
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 250 V | 4500 | 10000 | 45 | 15 mA |
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